package com.qingcheng.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.qingcheng.pojo.goods.Goods;
import com.qingcheng.pojo.goods.Sku;
import com.qingcheng.pojo.goods.Spu;
import com.qingcheng.service.goods.CategoryService;
import com.qingcheng.service.goods.SpuService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.thymeleaf.TemplateEngine;
import org.thymeleaf.context.Context;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@RestController
@RequestMapping("/item")
public class ItemController {
    @Reference
    private SpuService spuService;

    @Value("${pagePath}")
    private String pagePath;

    @Autowired
    private TemplateEngine templateEngine;
    @Reference
    private CategoryService categoryService;

    @GetMapping("/createPage")
    public void createPage(String spuId){

        //1.查询商品信息
        Goods goods = spuService.findGoodsById(spuId);
        // 获取spu信息
        Spu spu = goods.getSpu();
        // 获取sku列表
        List<Sku> skuList = goods.getSkuList();
        //分类信息
        List<String> categoryList = new ArrayList<>();
        categoryService.findById(spu.getCategory1Id()).getName();
        categoryList.add(  categoryService.findById(spu.getCategory1Id()).getName() );//一级分类
        categoryList.add(  categoryService.findById(spu.getCategory2Id()).getName() );//二级分类
        categoryList.add(  categoryService.findById(spu.getCategory3Id()).getName() );//三级分类
        //先组装url
        Map urlMap=new HashMap();
        for (Sku sku:skuList){
            //url
            String specJson=JSON.toJSONString(JSON.parseObject(sku.getSpec()), SerializerFeature.MapSortField);
            urlMap.put(specJson,sku.getId()+".html");
        }
        //循环生成sku页面
        for (Sku sku:skuList){
            //2.thymeleaf静态页面
            Context context=new Context();
            Map<String,Object> dataMap= new HashMap<>();
            dataMap.put("spu",spu);
            dataMap.put("sku",sku);
            dataMap.put("categoryList",categoryList);
            dataMap.put("spuImages",spu.getImages().split(","));
            dataMap.put("skuImages",sku.getImages().split(","));
            //规格列表
            Map paraItems = JSON.parseObject(spu.getParaItems());
            dataMap.put("paraItems",paraItems);
            //参数列表
            Map specItems = JSON.parseObject(sku.getSpec());
            dataMap.put("specItems",specItems);


            //规格面板
            Map<String,List> specMap = (Map)JSON.parseObject(spu.getSpecItems());
            for (String key:specMap.keySet()){
                List<Map> mapList=new ArrayList<>();
                List<String> list = specMap.get(key);
                for (String value:list){
                    Map map=new HashMap();
                    map.put("option",value);
                    if (specItems.get(key).equals(value)){
                        map.put("checked",true);
                    }else{
                        map.put("checked",false);
                    }
                    Map<String,String>  spec= (Map)JSON.parseObject(sku.getSpec()) ;//当前的Sku
                    spec.put(key,value);
                    //url
                    map.put("url",urlMap.get(key));
                    mapList.add(map);
                }
                specMap.put(key,mapList);
            }
            dataMap.put("specMap",specMap);

            context.setVariables(dataMap);
            try {
                //（2）准备文件
                File dir =new File(pagePath);
                if( !dir.exists()){
                    dir.mkdirs();
                }
                //2.生成页面
                File dest= new File(dir, sku.getId()+".html" );
                PrintWriter writer=new PrintWriter( dest,"UTF-8");
                templateEngine.process("item",context,writer);
                System.out.println("生成页面："+sku.getId()+".html");
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
        }


    }




}
